install MySQL-python failed ....

[yi zhao]

$ python -m pip install MySQL-python
Collecting MySQL-python
  Downloading MySQL-python-1.2.5.zip (108kB)
    100% |████████████████████████████████| 112kB 260kB/s
    930 [main] python2.7 12948 child_info_fork::abort: address space needed by 'datetime.dll' (0x870000) is already occupied
    Error [Errno 11] Resource temporarily unavailable while executing command python setup.py egg_info
Exception:
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/pip/basecommand.py", line 215, in main
    status = self.run(options, args)
  File "/usr/lib/python2.7/site-packages/pip/commands/install.py", line 324, in run
    requirement_set.prepare_files(finder)
  File "/usr/lib/python2.7/site-packages/pip/req/req_set.py", line 380, in prepare_files
    ignore_dependencies=self.ignore_dependencies))
  File "/usr/lib/python2.7/site-packages/pip/req/req_set.py", line 634, in _prepare_file
    abstract_dist.prep_for_dist()
  File "/usr/lib/python2.7/site-packages/pip/req/req_set.py", line 129, in prep_for_dist
    self.req_to_install.run_egg_info()
  File "/usr/lib/python2.7/site-packages/pip/req/req_install.py", line 439, in run_egg_info
    command_desc='python setup.py egg_info')
  File "/usr/lib/python2.7/site-packages/pip/utils/__init__.py", line 667, in call_subprocess
    cwd=cwd, env=env)
  File "/usr/lib/python2.7/subprocess.py", line 390, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 917, in _execute_child
    self.pid = os.fork()
OSError: [Errno 11] Resource temporarily unavailable


anything hit similar issue?